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齐一生物科技(上海)有限公司资料大小
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133次英文名称:Carbonic Anhydrase from bovine erythrocytes
其他名称:碳酸脱水酶(牛红血球)
CAS号:9001-03-0
级别:BR
活力:≥2500units/mg protein
活力定义:One Wilbur-Anderson (W-A) unit will cause the pH of a 0.02 M Trizma buffer to drop from 8.3 to 6.3 per min at 0°C. (One W-A unit is essentially equivalent to one Roughton-Booth unit.)
性状(以下信息仅供参考):灰褐色或类白色粉末。1940年发现的*个锌酶,也是zui重要的锌酶。现已报道有80多种锌酶,居各类金属的*。碳酸酐酶是红细胞的主要蛋白质成分之一,在红细胞中的地位仅次于血红蛋白。含一条卷曲的蛋白质链和一个锌(Ⅱ)离子。分子量约为29000。锌离子处于变形四面体的配位环境。催化的zui重要的反应是二氧化碳(碳酸酐)可逆的水合作用,使它在生理pH值条件(pH值≌7)下很快进行。为催化H2CO3CO2+H2O反应的酶,酶加速二氧化碳水合的因子在10^7左右。
用途:本品仅供科研,不得用于其它用途。(以下用途仅供参考)碳酸酐酶是锌蛋白质(动物原性),它在红血球中具有对碳酸和重碳酸离子的迅速转换的作用。
保存:2~8℃
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